Scanning Tunneling Microscopy Images of Au Adsorbed on GaAs(111)B surface

	Nanotech 2007 Vol. 1 Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1 Chapter 6: Nanoscale Modeling
	Scanning Tunneling Microscopy Images of Au Adsorbed on GaAs(111)B surface
Authors:	H. Yi, P. Kratzer, E. Hilner and A. Mikkelsen
Affilation:	KISTI, KR
Pages:	458 - 461
Keywords:	STM, simulation, adsorption, DFT
Abstract:	We have studied the GaAs(111)B surface with Au deposited either homogeneously or as nanoparticles, and found the presence of Au in either form to give rise to a $(sqrt(3} ! imes! sqrt(3} )$ Au-induced surface reconstruction. In the structural model supported by our DFT calculations for an Au coverage of 1/3 ML, Au atoms are adsorbed at every third threefold hollow hcp site of the Ga lattice. The proposed structural model is in agreement with experimental data from low-energy electron diffraction and STM.
ISBN:	1-4200-6182-8
Pages:	726
Hardcopy:	$139.95

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